- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/56 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing sulfur
Patent holdings for IPC class C09K 11/56
Total number of patents in this class: 897
10-year publication summary
|
81
|
79
|
81
|
67
|
93
|
78
|
56
|
53
|
30
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157946 |
104 |
| Samsung Display Co., Ltd. | 38676 |
48 |
| TCL Technology Group Corporation | 620 |
32 |
| Nanoco Technologies Ltd. | 143 |
26 |
| FUJIFILM Corporation | 30516 |
25 |
| Shoei Chemical Inc. | 332 |
25 |
| Nexdot | 79 |
21 |
| Boe Technology Group Co., Ltd. | 44074 |
19 |
| Merck Patent GmbH | 5729 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
17 |
| 3m Innovative Properties Company | 17481 |
16 |
| OSRAM Opto Semiconductors GmbH | 3243 |
16 |
| Nanosys, Inc. | 109 |
14 |
| Duk San Neolux Co., Ltd. | 703 |
13 |
| Samsung SDI Co., Ltd. | 10624 |
12 |
| Massachusetts Institute of Technology | 10254 |
12 |
| Dexerials Corporation | 1995 |
10 |
| Najing Technology Corporation Limited | 104 |
10 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1354 |
10 |
| Mitsui Mining & Smelting Co., Ltd. | 1095 |
9 |
| Other owners | 440 |